package com.bz.common;

import java.util.List;
import java.util.Set;
import java.util.concurrent.TimeUnit;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.HashOperations;
import org.springframework.data.redis.core.ListOperations;
import org.springframework.data.redis.core.SetOperations;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.data.redis.core.ValueOperations;
import org.springframework.data.redis.core.ZSetOperations;
import org.springframework.data.redis.support.atomic.RedisAtomicLong;
import org.springframework.stereotype.Component;

@Component
public class RedisServiceUtil {

    @Autowired
    private StringRedisTemplate redisTemplate;

    /**
     * 写入缓存
     * 
     * @param key
     * @param value
     * @return
     */
    public boolean set(String key, String value) {
        boolean result = false;
        try {
            ValueOperations<String, String> operations = redisTemplate.opsForValue();
            operations.set(key, value);
            result = true;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return result;
    }

    /**
     * 写入缓存设置时效时间
     * 
     * @param key
     * @param value
     * @param expireTime
     *            毫秒
     * @return
     */
    public boolean set(String key, String value, Long expireTime) {
        boolean result = false;
        try {
            ValueOperations<String, String> operations = redisTemplate.opsForValue();
            operations.set(key, value);
            redisTemplate.expire(key, expireTime, TimeUnit.SECONDS);
            result = true;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return result;
    }

    /**
     * 批量删除对应的value
     * 
     * @param keys
     */
    public void del(final String... keys) {
        for (String key : keys) {
            del(key);
        }
    }

    /**
     * 删除对应的value
     * 
     * @param key
     */
    public void del(String key) {
        if (exists(key)) {
            redisTemplate.delete(key);
        }
    }

    /**
     * 判断缓存中是否有对应的value
     * 
     * @param key
     * @return
     */
    public boolean exists(String key) {
        return redisTemplate.hasKey(key);
    }

    /**
     * 读取缓存
     * 
     * @param key
     * @return
     */
    public <T> T get(String key) {
        Object result = null;
        ValueOperations<String, String> operations = redisTemplate.opsForValue();
        result = operations.get(key);
        if (null == result) {
            return null;
        }
        return (T) result;
    }

    /**
     * 哈希 添加
     * 
     * @param key
     * @param hashKey
     * @param value
     */
    public void hmSet(String key, Object hashKey, Object value) {
        HashOperations<String, Object, Object> hash = redisTemplate.opsForHash();
        hash.put(key, hashKey, value);
    }

    /**
     * 哈希获取数据
     * 
     * @param key
     * @param hashKey
     * @return
     */
    public String hget(String key, Object hashKey) {
        HashOperations<String, Object, Object> hash = redisTemplate.opsForHash();
        Object result = hash.get(key, hashKey);
        if (null == result) {
            return null;
        }
        return (String) result;
    }

    /**
     * 列表添加
     * 
     * @param k
     * @param v
     */
    public void lPush(String k, String v) {
        ListOperations<String, String> list = redisTemplate.opsForList();
        list.rightPush(k, v);
    }

    /**
     * 列表获取
     * 
     * @param k
     * @param l
     * @param l1
     * @return
     */
    public List<String> lRange(String k, long l, long l1) {
        ListOperations<String, String> list = redisTemplate.opsForList();
        return list.range(k, l, l1);
    }

    /**
     * 集合添加
     * 
     * @param key
     * @param value
     */
    public void add(String key, String value) {
        SetOperations<String, String> set = redisTemplate.opsForSet();
        set.add(key, value);
    }

    /**
     * 集合获取
     * 
     * @param key
     * @return
     */
    public Set<String> setMembers(String key) {
        SetOperations<String, String> set = redisTemplate.opsForSet();
        return set.members(key);
    }

    /**
     * 有序集合添加
     * 
     * @param key
     * @param value
     * @param scoure
     */
    public void zAdd(String key, String value, double scoure) {
        ZSetOperations<String, String> zset = redisTemplate.opsForZSet();
        zset.add(key, value, scoure);
    }

    /**
     * 有序集合获取
     * 
     * @param key
     * @param scoure
     * @param scoure1
     * @return
     */
    public Set<String> rangeByScore(String key, double scoure, double scoure1) {
        ZSetOperations<String, String> zset = redisTemplate.opsForZSet();
        return zset.rangeByScore(key, scoure, scoure1);
    }

    /**
     * redis原子型自增
     */
    public Long incr(String key) {
        RedisAtomicLong entityIdCounter = new RedisAtomicLong(key, redisTemplate.getConnectionFactory());
        Long increment = entityIdCounter.getAndIncrement();
        return increment;
    }
}
